Available for websites, mobile apps, workflows, backend systems, integrations, hosting, and technical support.

Phone Number

+967 770 009 325

Location

Sana'a, Yemen

Social

Salah Adeen, full-stack developer
Development symbol
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Hello, I'm Salah Adeen

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Building SaaS, CRM & Apps_

I build and operate business products across web, Flutter, browser extensions, APIs, automation, and production infrastructure. My recent work includes Intshar CRM, TEM Team, Yemen Offers, Handes360, Opynex, and LeadMe.

4 production servers managed Web + Flutter delivery Chrome extension development
and more

+

Years Experience

+

Products & Systems

+

Users / Students Served

+

Production Servers Managed

Professional Experience

Building and supporting business systems from interface to infrastructure

Intshar Marketing Agency

Full-Stack Developer & IT Operations

Apr 2025 - Present

Remote · Al Khobar, Saudi Arabia

  • Build and improve Intshar CRM, campaign and branch workflows, lead follow-ups, team operations, WhatsApp processes, OTP authentication, search, reporting, and automation.
  • Develop and maintain marketing websites, campaign landing pages, and e-commerce improvements for Salla and Zid stores.
  • Delivered the Sharar Gym management platform as an Intshar project, including the web system and connected Flutter application.
  • Manage deployments and day-to-day infrastructure across four production servers supporting LeadMe, TEM Team, and Intshar products.
LaravelSaaS CRMREST APIsFlutterChrome ExtensionAutomationServer Management

First Marketer

Full-Stack Developer & IT Support

May 2022 - Nov 2023 · Online | Jul 2024 - Mar 2025 · Onsite

Remote development, then onsite · Al Khobar, Saudi Arabia

  • Online phase: built the affiliate marketing system, marketer self-service dashboard, campaign tracking, commission reports, and the LeadMe learning platform for 500+ active students.
  • Reduced manual enrollment and routine admin-marketer communication through self-service workflows, search, dashboards, and automated operations.
  • Onsite phase: supported laptops, printers, networks, hosted platforms, mail systems, and server operations while guiding 10+ staff members on IT tools and security practices.
LaravelMySQLAffiliate SystemsLearning PlatformsIT SupportNetworksMail Servers
Selected Work

Products and systems I helped build and operate

A practical view of my work across SaaS products, CRM platforms, Flutter apps, browser extensions, APIs, automation, and production infrastructure.

12 products and systems

Core portfolioCRM, TEM Team, Yemen Offers, Handes360, Opynex, and LeadMe
More delivered workWeb platforms, Flutter apps, backend services, and automation tools
Live
Corporate Website & Campaign Pages
INTSHAR

Intshar Marketing Agency Website

Maintained the agency website and developed campaign landing pages, performance improvements, responsive content, SEO updates, and lead-generation experiences.

My contribution
  • Corporate website
  • Campaign landing pages
  • SEO and deployment support
Web DevelopmentResponsive UISEOAnalyticsHosting
Live
Customer Feedback & Reputation
IREVIEW180

iReview180

Worked on a QR-based feedback platform with public business pages, customer-routing workflows, management dashboards, WhatsApp actions, and Google Maps review journeys.

My contribution
  • QR feedback workflows
  • Business dashboards
  • WhatsApp and maps routing
LaravelQR WorkflowsDashboardsWhatsAppGoogle Maps
Live
WhatsApp Marketing Platform
ISENDER360

iSender360

Developed communication workflows for campaigns, audience organization, APIs, automated replies, scheduling, queue processing, analytics, and administrative reporting.

My contribution
  • Campaign management
  • Messaging APIs and queues
  • Analytics and reports
LaravelWhatsApp APIQueuesSchedulingReporting
In Development
Social Publishing Automation
IPOSTER360

iPoster360

Developing automated social publishing with campaign scheduling, secure APIs, queue execution, browser automation, moderation controls, and repeatable posting workflows.

My contribution
  • Campaign scheduler
  • Browser automation
  • Queue and moderation controls
LaravelChrome AutomationAPIsQueuesScheduling
Live Public Platform
Web & Flutter Operations System
SHARAR GYM

Sharar Gym Management System

Delivered as an Intshar Marketing Agency project

Built a cross-platform gym system for memberships, subscriptions, trainers, booking, entry tracking, payments, notifications, and day-to-day operations.

My contribution
  • Management web system
  • Flutter mobile app
  • Payments and booking workflows
FlutterLaravelPaymentsBookingNotifications
Backend Service
Backend Messaging Service
WASEET OTP

Waseet SMS & WhatsApp OTP API

Developed OTP generation and verification with rate limiting, logging, queue processing, and SMS or WhatsApp delivery support.

My contribution
  • OTP API
  • Rate limits and logs
  • SMS and WhatsApp delivery
LaravelOTPSMS GatewayWhatsAppQueues
Private or internal deployment
Skills

Technical Skills

  • Web & Frontend:

    React, Next.js, JavaScript, responsive UI, dashboards, landing pages, and business web apps
  • Backend & APIs:

    Laravel, Express.js, REST APIs, webhooks, authentication, role-based access, and queue jobs
  • Mobile Apps:

    Flutter, Firebase, Supabase, Android, iOS, notifications, tracking, booking, and attendance flows
  • Workflows & Automation:

    n8n workflows, Laravel queues, API automation, multi-tenant CRM flows, Chrome extension workflows, and connected systems
  • Databases & Search:

    MySQL, PostgreSQL, Supabase, Firebase, data modeling, and query optimization
  • Integrations & Support:

    AWS, Cloudflare, four production servers, VPS and shared hosting, deployment, monitoring, email systems, Salla, Zid, payments, WhatsApp, Meta, Google Analytics, GTM, SEO, and cloud integrations

Education

  • Sep 2019 - Jun 2024:

    Sana'a University

    BSc. in Electrical Engineering, Computers & Control

  • Sep 2015 - Jun 2018:

    Jamal Abdullnaser School

    High School, Science Section

Certificates & Training

  • Nov 2024:

    Google Cloud Cybersecurity Fundamentals

    Training in cloud security concepts, risk awareness, and basic cybersecurity practices.

  • Nov 2024:

    Google Cloud Fundamentals

    Training in Google Cloud basics, cloud services, infrastructure, and deployment concepts.

  • Dec 2023:

    Diploma in Deep Learning, ITI Egypt

    Focused on deep learning concepts, neural networks, and practical AI model development.

  • Dec 2023:

    Diploma in Practical AI, ITI Egypt

    Covered practical AI workflows, applied machine learning, and AI implementation basics.

Services

Building connected websites, apps, workflows and business systems

Websites & Web Apps

Building responsive websites, dashboards, admin panels, landing pages, and scalable business web applications.

ReactNext.jsExpress.jsLaravelFirebaseSupabase
Mobile App Development

Creating Android and iOS apps connected with APIs, databases, authentication, notifications, tracking, and business workflows.

FlutterFirebaseSupabaseREST APIsNotificationsTracking
Workflows & Automation

Connecting apps, websites, APIs, and services through automation workflows that reduce manual work and improve operations.

n8nWebhooksLaravel QueuesAPI AutomationCRM FlowsE-commerce Flows
Backend, APIs & Databases

Developing secure backend systems, REST APIs, authentication, database structures, search features, and connected services.

LaravelExpress.jsMySQLPostgreSQLREST APIs
E-commerce & Payments

Integrating e-commerce platforms and payment gateways for Saudi, Yemeni, and international business requirements.

SallaZidTabbyTamaraMoyasarKuraimiJaibStripePayPal
Hosting, Marketing & IT Support

Supporting deployments, production servers, email, analytics, marketing integrations, technical maintenance, and daily IT operations.

VPSShared HostingEmailTwilioMetaSEOGoogle AnalyticsGTM

Need a website, app, workflow, or connected system?
Let's discuss how it should work together. Reach out!

Engineering Blog

Current programming topics, explained for real projects

Short articles about framework releases, backend engineering, security, and delivery practices.

View all articles
Contact

Let's build a reliable product, not just another screen.

Available for full-stack web platforms, Flutter applications, APIs, dashboards, workflow automation, integrations, deployment, and technical support.